Oxidation Number

The oxidation state of Cr in  ${[\text{Cr}{({\text{NH}}_{\text{3}})}_{\text{4}}{\text{Cl}}_{\text{2}}]}^{+}$  is

Oxidising agent is-

Consider the following molecules : ${\mathrm{Br}}_3{\mathrm{O}}_8, {\mathrm{F}}_2\mathrm{O},{\mathrm{H}}_2 {\mathrm{S}}_4{\mathrm{O}}_6,{\mathrm{H}}_2 {\mathrm{S}}_5{\mathrm{O}}_6$, and ${\mathrm{C}}_3{\mathrm{O}}_2$. Count the number of atoms existing in their zero oxidation state in each molecule. Their sum is

The sum of oxidation state of the metals in $\mathrm{Fe}(\mathrm{CO}{)}_5$, ${\mathrm{VO}}^{2+}$ and ${\mathrm{WO}}_3$ is

The covalency and oxidation state respectively of boron in ${\left[{\mathrm{BF}}_4\right]}^{-}$, are

The total change in the oxidation state of manganese involved in the reaction of ${\mathrm{KMnO}}_4$ and potassium iodide in the acidic medium is ________.

In Chromyl chloride, the oxidation state of chromium is $\left(+\right)$ ___________.

How to find oxidation state of ${\mathrm{N}}_2{\mathrm{O}}_5$?

In ammonium$-$phosphomolybdate, the oxidation state of $\mathrm{Mo}$ is $+\_\_\_\_\_\_\_$

What is the change in oxidation state of $\mathrm{Mn}$ in the reaction 

${\mathrm{KMnO}}_4+\mathrm{KI}\stackrel{\mathrm{Acidic} \mathrm{medium}}{\to }$

Oxidation state of $\mathrm{Cr}$ in chromyl chloride is:

Which of the following has same $\mathrm{d}-$ electrons as chromium in chromyl chloride?

Oxidation state of $\mathrm{Mo}$ in Ammonium Phosphomolybdate is:

In ${\mathrm{Br}}_3{\mathrm{O}}_8,$ the oxidation state of bromine that is attached to two other bromine atoms is

Calculate the oxidation state of iron in $\mathrm{Fe}(\mathrm{CO}{)}_4$.

In which of the following compounds, an element exhibits two different oxidation states?

What are the oxidation states of three $\mathrm{Br}$ atoms in ${\mathrm{Br}}_3{\mathrm{O}}_8$ molecule

What is the oxidation state of $\mathrm{S}$ in the sulphur containing product of the following reaction?

${{\mathrm{SO}}_3^{-2}}_{\left(\mathrm{aq}\right)} + {{\mathrm{Br}}_2}_{\left(\mathrm{l}\right)} + {\mathrm{H}}_2\mathrm{O} \to$

What is the change in oxidation state of carbon in the following reaction.

${\mathrm{CH}}_4\left(\mathrm{g}\right)+4{\mathrm{Cl}}_2\left(\mathrm{g}\right)\to {\mathrm{CCl}}_4\left(\mathrm{l}\right)+4\mathrm{HCl}\left(\mathrm{g}\right)$